Rails - Oct 2010 - Name error when trying to include a file

So im trying to use a plugin called open flash chart lazy. Its a chart
plugin that renders charts in flash (I think). Heres my controller:

class ChartsController < ApplicationController
include OpenFlashChartLazy
  layout "default"
   before_filter :login_required

  def index

   workout_calories_array = Array.new
   spinclass_calories_array = Array.new

   workout_calories.each do |w|
       workout_calories_array << [w.created_at.to_date,
w.calories_burned]
   end
   spinclass_calories.each do |sc|
       spinclass_calories_array << [sc.created_at.to_date,
sc.calories_burned]
   end

   line_graph = OpenFlashChartLazy::Line.new("Calories")
   workout_calories_serie
OpenFlashChartLazy::Serie.new([workout_calories_array],{:title=>"Workouts"})
   spinclass_calories_serie
OpenFlashChartLazy::Serie.new([spinclass_calories_array],{:title=>"Spin
classes"})

Heres the error from the server:

Processing ApplicationController#index (for 127.0.0.1 at 2010-10-09
21:47:29) [GET]

NameError (uninitialized constant ChartsController::OpenFlashChartLazy):
  app/controllers/charts_controller.rb:3

Rendered rescues/_trace (33.4ms)
Rendered rescues/_request_and_response (0.4ms)
Rendering rescues/layout (internal_server_error)


Thanks, jakx12.

   line_graph.add_serie(workout_calories_serie)
   line_graph.add_serie(spinclass_calories_serie)
   line_graph.x_axis.labels.rotate="vertical"
   line_graph.bg_colour="#FFFFFF"
   line_graph.x_axis.colour="#808080"
   line_graph.x_axis["grid-colour"]="#A0A0A0"
   line_graph.x_axis.stroke=0.5

   line_graph.y_axis.colour="#808080"
   line_graph.y_axis.stroke=0.5
   line_graph.y_axis["grid-colour"]="#A0A0A0"
   line_graph.to_json

  render :text => line_graph.to_graph_json
  end

end
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On 9 October 2010 21:58, Zack Nathan
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> So im trying to use a plugin called open flash chart lazy. Its a chart
> plugin that renders charts in flash (I think). Heres my controller:
Not answering the question I know, but unless you are really keen on
flash you might to look at the flot javascript library which works
well for me.  http://code.google.com/p/flot/

Colin
>
> class ChartsController < ApplicationController
> include OpenFlashChartLazy
>  layout "default"
>   before_filter :login_required
>
>  def index
>
>   workout_calories_array = Array.new
>   spinclass_calories_array = Array.new
>
>   workout_calories.each do |w|
>       workout_calories_array << [w.created_at.to_date,
> w.calories_burned]
>   end
>   spinclass_calories.each do |sc|
>       spinclass_calories_array << [sc.created_at.to_date,
> sc.calories_burned]
>   end
>
>   line_graph = OpenFlashChartLazy::Line.new("Calories")
>   workout_calories_serie >
OpenFlashChartLazy::Serie.new([workout_calories_array],{:title=>"Workouts"})
>   spinclass_calories_serie >
OpenFlashChartLazy::Serie.new([spinclass_calories_array],{:title=>"Spin
> classes"})
>
> Heres the error from the server:
>
> Processing ApplicationController#index (for 127.0.0.1 at 2010-10-09
> 21:47:29) [GET]
>
> NameError (uninitialized constant ChartsController::OpenFlashChartLazy):
>  app/controllers/charts_controller.rb:3
>
> Rendered rescues/_trace (33.4ms)
> Rendered rescues/_request_and_response (0.4ms)
> Rendering rescues/layout (internal_server_error)
>
>
> Thanks, jakx12.
>
>   line_graph.add_serie(workout_calories_serie)
>   line_graph.add_serie(spinclass_calories_serie)
>   line_graph.x_axis.labels.rotate="vertical"
>   line_graph.bg_colour="#FFFFFF"
>   line_graph.x_axis.colour="#808080"
>   line_graph.x_axis["grid-colour"]="#A0A0A0"
>   line_graph.x_axis.stroke=0.5
>
>   line_graph.y_axis.colour="#808080"
>   line_graph.y_axis.stroke=0.5
>   line_graph.y_axis["grid-colour"]="#A0A0A0"
>   line_graph.to_json
>
>  render :text => line_graph.to_graph_json
>  end
>
> end
> --
> Posted via http://www.ruby-forum.com/.
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Do you even know how Ruby work ?
Why do you try to include it in your controller ?

Read the documentation first:
http://github.com/peterpunk/open_flash_chart_lazy/
http://ofcl.onrails.com.ar/

This error might occur because you installed the plugin wrong, or you
might have forgotten to `require'' some files.

Robert Pankowecki

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Thanks guys, I fixed it, it was todo with how the plugin installed.

Colin, I dont mind what plugin I use aslong as it works well. Are there 
any quick guides or tutorials you could recommend on flot with rails 
because I dont mind giving it a go, but I need it working relatively 
fast.

Thanks.
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On 10 October 2010 14:30, Zack Nathan
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> Thanks guys, I fixed it, it was todo with how the plugin installed.
>
> Colin, I dont mind what plugin I use aslong as it works well. Are there
> any quick guides or tutorials you could recommend on flot with rails
> because I dont mind giving it a go, but I need it working relatively
> fast.
The flot website has many examples.  There is a Rails plugin,
flotilla, which makes life fairly easy.  I don''t know whether it is
compatible with Rails 3 if that is an issue for you.

I tried Open Flash Chart (not the lazy version, not sure of the
difference) and thought that the architecture is completely wrong.  It
makes the chart in the controller whereas it should of course be in
the view.  The controller should just provide the data to be charted
and the view should format it and draw it.  That is how it works in
flotilla.

I found flot to be quicker drawing graphs with many points (though
that may not be true on IE as there flot has to use a canvas emulator)

Of course if you are developing a public site you have the major
decision of whether to insist the users have flash enabled or
javascript enabled.

Colin

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Colin Law wrote:
> On 10 October 2010 14:30, Zack Nathan
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
>> Thanks guys, I fixed it, it was todo with how the plugin installed.
>>
>> Colin, I dont mind what plugin I use aslong as it works well. Are there
>> any quick guides or tutorials you could recommend on flot with rails
>> because I dont mind giving it a go, but I need it working relatively
>> fast.
> 
> The flot website has many examples.  There is a Rails plugin,
> flotilla, which makes life fairly easy.  I don''t know whether it
is
> compatible with Rails 3 if that is an issue for you.
> 
> I tried Open Flash Chart (not the lazy version, not sure of the
> difference) and thought that the architecture is completely wrong.  It
> makes the chart in the controller whereas it should of course be in
> the view.  The controller should just provide the data to be charted
> and the view should format it and draw it.  That is how it works in
> flotilla.
> 
> I found flot to be quicker drawing graphs with many points (though
> that may not be true on IE as there flot has to use a canvas emulator)
> 
> Of course if you are developing a public site you have the major
> decision of whether to insist the users have flash enabled or
> javascript enabled.
> 
> Colin
Thanks for the reply. I actually reverted to open flash chart and my 
other post on the rails forum is about it. I changed plugins because the 
other one is a more updated version I think. Yeah, flotilla looks good, 
but iv got a test bar chart working with openflashchart and am now 
trying to get a line chart working so i''ll stick with that. Thanks,

Zack.
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